Home / 19,262.75-28,896.86-8,732.69

Finding the Fourth Proportional to 19,262.75, 28,896.86 and 8,732.69

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Solution

The fourth proportional to 19,262.75, 28,896.86 and 8,732.69 is: 13,100.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,262.75 : 28,896.86 = 8,732.69 : x
  2. Step 2: Convert to fraction form
    19,262.75/28,896.86 = 8,732.69/x
  3. Step 3: Cross multiply
    19,262.75x = 28,896.86 × 8,732.69
  4. Step 4: Simplify right side
    19,262.75x = 252,347,414.43
  5. Step 5: Solve for x
    x = 252,347,414.43/19,262.75
  6. Step 6: Final answer
    x = 13,100.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.